64610320

素因数分解:

$2^4\times 5^1\times {\mathrm{807629}}^1$

素因数の和:807642

約数の個数: 20

約数和(自身を含む): 150219180

約数和(自身を除く): 85608860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 807629, 1615258, 3230516, 4038145, 6461032, 8076290, 12922064, 16152580, 32305160, 64610320]

約数ペア:

[(1, 64610320), (2, 32305160), (4, 16152580), (5, 12922064), (8, 8076290), (10, 6461032), (16, 4038145), (20, 3230516), (40, 1615258), (80, 807629)]